1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.camera; 18 19 import android.annotation.TargetApi; 20 import android.app.Activity; 21 import android.content.ContentProviderClient; 22 import android.content.ContentResolver; 23 import android.content.Context; 24 import android.content.Intent; 25 import android.content.SharedPreferences.Editor; 26 import android.content.res.Configuration; 27 import android.graphics.Bitmap; 28 import android.graphics.SurfaceTexture; 29 import android.hardware.Camera.CameraInfo; 30 import android.hardware.Camera.Parameters; 31 import android.hardware.Camera.Size; 32 import android.hardware.Sensor; 33 import android.hardware.SensorEvent; 34 import android.hardware.SensorEventListener; 35 import android.hardware.SensorManager; 36 import android.location.Location; 37 import android.media.CameraProfile; 38 import android.net.Uri; 39 import android.os.Build; 40 import android.os.Bundle; 41 import android.os.Handler; 42 import android.os.Looper; 43 import android.os.Message; 44 import android.os.MessageQueue; 45 import android.os.SystemClock; 46 import android.provider.MediaStore; 47 import android.util.Log; 48 import android.view.KeyEvent; 49 import android.view.OrientationEventListener; 50 import android.view.View; 51 import android.view.WindowManager; 52 53 import com.android.camera.CameraManager.CameraAFCallback; 54 import com.android.camera.CameraManager.CameraAFMoveCallback; 55 import com.android.camera.CameraManager.CameraPictureCallback; 56 import com.android.camera.CameraManager.CameraProxy; 57 import com.android.camera.CameraManager.CameraShutterCallback; 58 import com.android.camera.PhotoModule.NamedImages.NamedEntity; 59 import com.android.camera.exif.ExifInterface; 60 import com.android.camera.exif.ExifTag; 61 import com.android.camera.exif.Rational; 62 import com.android.camera.ui.CountDownView.OnCountDownFinishedListener; 63 import com.android.camera.ui.ModuleSwitcher; 64 import com.android.camera.ui.RotateTextToast; 65 import com.android.camera.util.ApiHelper; 66 import com.android.camera.util.CameraUtil; 67 import com.android.camera.util.GcamHelper; 68 import com.android.camera.util.UsageStatistics; 69 import com.android.camera2.R; 70 71 import java.io.File; 72 import java.io.FileNotFoundException; 73 import java.io.FileOutputStream; 74 import java.io.IOException; 75 import java.io.OutputStream; 76 import java.util.List; 77 import java.util.Vector; 78 79 public class PhotoModule 80 implements CameraModule, 81 PhotoController, 82 FocusOverlayManager.Listener, 83 CameraPreference.OnPreferenceChangedListener, 84 ShutterButton.OnShutterButtonListener, 85 MediaSaveService.Listener, 86 OnCountDownFinishedListener, 87 SensorEventListener { 88 89 private static final String TAG = "CAM_PhotoModule"; 90 91 // We number the request code from 1000 to avoid collision with Gallery. 92 private static final int REQUEST_CROP = 1000; 93 94 private static final int SETUP_PREVIEW = 1; 95 private static final int FIRST_TIME_INIT = 2; 96 private static final int CLEAR_SCREEN_DELAY = 3; 97 private static final int SET_CAMERA_PARAMETERS_WHEN_IDLE = 4; 98 private static final int SHOW_TAP_TO_FOCUS_TOAST = 5; 99 private static final int SWITCH_CAMERA = 6; 100 private static final int SWITCH_CAMERA_START_ANIMATION = 7; 101 private static final int CAMERA_OPEN_DONE = 8; 102 private static final int OPEN_CAMERA_FAIL = 9; 103 private static final int CAMERA_DISABLED = 10; 104 private static final int SWITCH_TO_GCAM_MODULE = 11; 105 106 // The subset of parameters we need to update in setCameraParameters(). 107 private static final int UPDATE_PARAM_INITIALIZE = 1; 108 private static final int UPDATE_PARAM_ZOOM = 2; 109 private static final int UPDATE_PARAM_PREFERENCE = 4; 110 private static final int UPDATE_PARAM_ALL = -1; 111 112 // This is the timeout to keep the camera in onPause for the first time 113 // after screen on if the activity is started from secure lock screen. 114 private static final int KEEP_CAMERA_TIMEOUT = 1000; // ms 115 116 private static final String DEBUG_IMAGE_PREFIX = "DEBUG_"; 117 118 // copied from Camera hierarchy 119 private CameraActivity mActivity; 120 private CameraProxy mCameraDevice; 121 private int mCameraId; 122 private Parameters mParameters; 123 private boolean mPaused; 124 125 private PhotoUI mUI; 126 127 // The activity is going to switch to the specified camera id. This is 128 // needed because texture copy is done in GL thread. -1 means camera is not 129 // switching. 130 protected int mPendingSwitchCameraId = -1; 131 private boolean mOpenCameraFail; 132 private boolean mCameraDisabled; 133 134 // When setCameraParametersWhenIdle() is called, we accumulate the subsets 135 // needed to be updated in mUpdateSet. 136 private int mUpdateSet; 137 138 private static final int SCREEN_DELAY = 2 * 60 * 1000; 139 140 private int mZoomValue; // The current zoom value. 141 142 private Parameters mInitialParams; 143 private boolean mFocusAreaSupported; 144 private boolean mMeteringAreaSupported; 145 private boolean mAeLockSupported; 146 private boolean mAwbLockSupported; 147 private boolean mContinuousFocusSupported; 148 149 // The degrees of the device rotated clockwise from its natural orientation. 150 private int mOrientation = OrientationEventListener.ORIENTATION_UNKNOWN; 151 private ComboPreferences mPreferences; 152 153 private static final String sTempCropFilename = "crop-temp"; 154 155 private ContentProviderClient mMediaProviderClient; 156 private boolean mFaceDetectionStarted = false; 157 158 // mCropValue and mSaveUri are used only if isImageCaptureIntent() is true. 159 private String mCropValue; 160 private Uri mSaveUri; 161 162 private Uri mDebugUri; 163 164 // We use a queue to generated names of the images to be used later 165 // when the image is ready to be saved. 166 private NamedImages mNamedImages; 167 168 private Runnable mDoSnapRunnable = new Runnable() { 169 @Override 170 public void run() { 171 onShutterButtonClick(); 172 } 173 }; 174 175 /** 176 * An unpublished intent flag requesting to return as soon as capturing 177 * is completed. 178 * 179 * TODO: consider publishing by moving into MediaStore. 180 */ 181 private static final String EXTRA_QUICK_CAPTURE = 182 "android.intent.extra.quickCapture"; 183 184 // The display rotation in degrees. This is only valid when mCameraState is 185 // not PREVIEW_STOPPED. 186 private int mDisplayRotation; 187 // The value for android.hardware.Camera.setDisplayOrientation. 188 private int mCameraDisplayOrientation; 189 // The value for UI components like indicators. 190 private int mDisplayOrientation; 191 // The value for android.hardware.Camera.Parameters.setRotation. 192 private int mJpegRotation; 193 // Indicates whether we are using front camera 194 private boolean mMirror; 195 private boolean mFirstTimeInitialized; 196 private boolean mIsImageCaptureIntent; 197 198 private int mCameraState = PREVIEW_STOPPED; 199 private boolean mSnapshotOnIdle = false; 200 201 private ContentResolver mContentResolver; 202 203 private LocationManager mLocationManager; 204 205 private final PostViewPictureCallback mPostViewPictureCallback = 206 new PostViewPictureCallback(); 207 private final RawPictureCallback mRawPictureCallback = 208 new RawPictureCallback(); 209 private final AutoFocusCallback mAutoFocusCallback = 210 new AutoFocusCallback(); 211 private final Object mAutoFocusMoveCallback = 212 ApiHelper.HAS_AUTO_FOCUS_MOVE_CALLBACK 213 ? new AutoFocusMoveCallback() 214 : null; 215 216 private final CameraErrorCallback mErrorCallback = new CameraErrorCallback(); 217 218 private long mFocusStartTime; 219 private long mShutterCallbackTime; 220 private long mPostViewPictureCallbackTime; 221 private long mRawPictureCallbackTime; 222 private long mJpegPictureCallbackTime; 223 private long mOnResumeTime; 224 private byte[] mJpegImageData; 225 226 // These latency time are for the CameraLatency test. 227 public long mAutoFocusTime; 228 public long mShutterLag; 229 public long mShutterToPictureDisplayedTime; 230 public long mPictureDisplayedToJpegCallbackTime; 231 public long mJpegCallbackFinishTime; 232 public long mCaptureStartTime; 233 234 // This handles everything about focus. 235 private FocusOverlayManager mFocusManager; 236 237 private String mSceneMode; 238 239 private final Handler mHandler = new MainHandler(); 240 private PreferenceGroup mPreferenceGroup; 241 242 private boolean mQuickCapture; 243 private SensorManager mSensorManager; 244 private float[] mGData = new float[3]; 245 private float[] mMData = new float[3]; 246 private float[] mR = new float[16]; 247 private int mHeading = -1; 248 249 // True if all the parameters needed to start preview is ready. 250 private boolean mCameraPreviewParamsReady = false; 251 252 private MediaSaveService.OnMediaSavedListener mOnMediaSavedListener = 253 new MediaSaveService.OnMediaSavedListener() { 254 @Override 255 public void onMediaSaved(Uri uri) { 256 if (uri != null) { 257 mActivity.notifyNewMedia(uri); 258 } 259 } 260 }; 261 262 private void checkDisplayRotation() { 263 // Set the display orientation if display rotation has changed. 264 // Sometimes this happens when the device is held upside 265 // down and camera app is opened. Rotation animation will 266 // take some time and the rotation value we have got may be 267 // wrong. Framework does not have a callback for this now. 268 if (CameraUtil.getDisplayRotation(mActivity) != mDisplayRotation) { 269 setDisplayOrientation(); 270 } 271 if (SystemClock.uptimeMillis() - mOnResumeTime < 5000) { 272 mHandler.postDelayed(new Runnable() { 273 @Override 274 public void run() { 275 checkDisplayRotation(); 276 } 277 }, 100); 278 } 279 } 280 281 /** 282 * This Handler is used to post message back onto the main thread of the 283 * application 284 */ 285 private class MainHandler extends Handler { 286 @Override 287 public void handleMessage(Message msg) { 288 switch (msg.what) { 289 case SETUP_PREVIEW: { 290 setupPreview(); 291 break; 292 } 293 294 case CLEAR_SCREEN_DELAY: { 295 mActivity.getWindow().clearFlags( 296 WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 297 break; 298 } 299 300 case FIRST_TIME_INIT: { 301 initializeFirstTime(); 302 break; 303 } 304 305 case SET_CAMERA_PARAMETERS_WHEN_IDLE: { 306 setCameraParametersWhenIdle(0); 307 break; 308 } 309 310 case SHOW_TAP_TO_FOCUS_TOAST: { 311 showTapToFocusToast(); 312 break; 313 } 314 315 case SWITCH_CAMERA: { 316 switchCamera(); 317 break; 318 } 319 320 case SWITCH_CAMERA_START_ANIMATION: { 321 // TODO: Need to revisit 322 // ((CameraScreenNail) mActivity.mCameraScreenNail).animateSwitchCamera(); 323 break; 324 } 325 326 case CAMERA_OPEN_DONE: { 327 onCameraOpened(); 328 break; 329 } 330 331 case OPEN_CAMERA_FAIL: { 332 mOpenCameraFail = true; 333 CameraUtil.showErrorAndFinish(mActivity, 334 R.string.cannot_connect_camera); 335 break; 336 } 337 338 case CAMERA_DISABLED: { 339 mCameraDisabled = true; 340 CameraUtil.showErrorAndFinish(mActivity, 341 R.string.camera_disabled); 342 break; 343 } 344 345 case SWITCH_TO_GCAM_MODULE: { 346 mActivity.onModuleSelected(ModuleSwitcher.GCAM_MODULE_INDEX); 347 } 348 } 349 } 350 } 351 352 353 @Override 354 public void init(CameraActivity activity, View parent) { 355 mActivity = activity; 356 mUI = new PhotoUI(activity, this, parent); 357 mPreferences = new ComboPreferences(mActivity); 358 CameraSettings.upgradeGlobalPreferences(mPreferences.getGlobal()); 359 mCameraId = getPreferredCameraId(mPreferences); 360 361 mContentResolver = mActivity.getContentResolver(); 362 363 // Surface texture is from camera screen nail and startPreview needs it. 364 // This must be done before startPreview. 365 mIsImageCaptureIntent = isImageCaptureIntent(); 366 367 mPreferences.setLocalId(mActivity, mCameraId); 368 CameraSettings.upgradeLocalPreferences(mPreferences.getLocal()); 369 // we need to reset exposure for the preview 370 resetExposureCompensation(); 371 372 initializeControlByIntent(); 373 mQuickCapture = mActivity.getIntent().getBooleanExtra(EXTRA_QUICK_CAPTURE, false); 374 mLocationManager = new LocationManager(mActivity, mUI); 375 mSensorManager = (SensorManager)(mActivity.getSystemService(Context.SENSOR_SERVICE)); 376 } 377 378 private void initializeControlByIntent() { 379 mUI.initializeControlByIntent(); 380 if (mIsImageCaptureIntent) { 381 setupCaptureParams(); 382 } 383 } 384 385 private void onPreviewStarted() { 386 setCameraState(IDLE); 387 startFaceDetection(); 388 locationFirstRun(); 389 } 390 391 // Prompt the user to pick to record location for the very first run of 392 // camera only 393 private void locationFirstRun() { 394 if (RecordLocationPreference.isSet(mPreferences)) { 395 return; 396 } 397 if (mActivity.isSecureCamera()) return; 398 // Check if the back camera exists 399 int backCameraId = CameraHolder.instance().getBackCameraId(); 400 if (backCameraId == -1) { 401 // If there is no back camera, do not show the prompt. 402 return; 403 } 404 mUI.showLocationDialog(); 405 } 406 407 @Override 408 public void enableRecordingLocation(boolean enable) { 409 setLocationPreference(enable ? RecordLocationPreference.VALUE_ON 410 : RecordLocationPreference.VALUE_OFF); 411 } 412 413 @Override 414 public void onPreviewUIReady() { 415 startPreview(); 416 } 417 418 @Override 419 public void onPreviewUIDestroyed() { 420 if (mCameraDevice == null) { 421 return; 422 } 423 mCameraDevice.setPreviewTexture(null); 424 stopPreview(); 425 } 426 427 private void setLocationPreference(String value) { 428 mPreferences.edit() 429 .putString(CameraSettings.KEY_RECORD_LOCATION, value) 430 .apply(); 431 // TODO: Fix this to use the actual onSharedPreferencesChanged listener 432 // instead of invoking manually 433 onSharedPreferenceChanged(); 434 } 435 436 private void onCameraOpened() { 437 View root = mUI.getRootView(); 438 // These depend on camera parameters. 439 440 int width = root.getWidth(); 441 int height = root.getHeight(); 442 mFocusManager.setPreviewSize(width, height); 443 openCameraCommon(); 444 } 445 446 private void switchCamera() { 447 if (mPaused) return; 448 449 Log.v(TAG, "Start to switch camera. id=" + mPendingSwitchCameraId); 450 mCameraId = mPendingSwitchCameraId; 451 mPendingSwitchCameraId = -1; 452 setCameraId(mCameraId); 453 454 // from onPause 455 closeCamera(); 456 mUI.collapseCameraControls(); 457 mUI.clearFaces(); 458 if (mFocusManager != null) mFocusManager.removeMessages(); 459 460 // Restart the camera and initialize the UI. From onCreate. 461 mPreferences.setLocalId(mActivity, mCameraId); 462 CameraSettings.upgradeLocalPreferences(mPreferences.getLocal()); 463 mCameraDevice = CameraUtil.openCamera( 464 mActivity, mCameraId, mHandler, 465 mActivity.getCameraOpenErrorCallback()); 466 if (mCameraDevice == null) { 467 Log.e(TAG, "Failed to open camera:" + mCameraId + ", aborting."); 468 return; 469 } 470 mParameters = mCameraDevice.getParameters(); 471 initializeCapabilities(); 472 CameraInfo info = CameraHolder.instance().getCameraInfo()[mCameraId]; 473 mMirror = (info.facing == CameraInfo.CAMERA_FACING_FRONT); 474 mFocusManager.setMirror(mMirror); 475 mFocusManager.setParameters(mInitialParams); 476 setupPreview(); 477 478 // reset zoom value index 479 mZoomValue = 0; 480 openCameraCommon(); 481 482 // Start switch camera animation. Post a message because 483 // onFrameAvailable from the old camera may already exist. 484 mHandler.sendEmptyMessage(SWITCH_CAMERA_START_ANIMATION); 485 } 486 487 protected void setCameraId(int cameraId) { 488 ListPreference pref = mPreferenceGroup.findPreference(CameraSettings.KEY_CAMERA_ID); 489 pref.setValue("" + cameraId); 490 } 491 492 // either open a new camera or switch cameras 493 private void openCameraCommon() { 494 loadCameraPreferences(); 495 496 mUI.onCameraOpened(mPreferenceGroup, mPreferences, mParameters, this); 497 if (mIsImageCaptureIntent) { 498 mUI.overrideSettings(CameraSettings.KEY_CAMERA_HDR_PLUS, 499 mActivity.getString(R.string.setting_off_value)); 500 } 501 updateSceneMode(); 502 showTapToFocusToastIfNeeded(); 503 504 505 } 506 507 @Override 508 public void onScreenSizeChanged(int width, int height) { 509 if (mFocusManager != null) mFocusManager.setPreviewSize(width, height); 510 } 511 512 private void resetExposureCompensation() { 513 String value = mPreferences.getString(CameraSettings.KEY_EXPOSURE, 514 CameraSettings.EXPOSURE_DEFAULT_VALUE); 515 if (!CameraSettings.EXPOSURE_DEFAULT_VALUE.equals(value)) { 516 Editor editor = mPreferences.edit(); 517 editor.putString(CameraSettings.KEY_EXPOSURE, "0"); 518 editor.apply(); 519 } 520 } 521 522 private void keepMediaProviderInstance() { 523 // We want to keep a reference to MediaProvider in camera's lifecycle. 524 // TODO: Utilize mMediaProviderClient instance to replace 525 // ContentResolver calls. 526 if (mMediaProviderClient == null) { 527 mMediaProviderClient = mContentResolver 528 .acquireContentProviderClient(MediaStore.AUTHORITY); 529 } 530 } 531 532 // Snapshots can only be taken after this is called. It should be called 533 // once only. We could have done these things in onCreate() but we want to 534 // make preview screen appear as soon as possible. 535 private void initializeFirstTime() { 536 if (mFirstTimeInitialized || mPaused) { 537 return; 538 } 539 540 // Initialize location service. 541 boolean recordLocation = RecordLocationPreference.get( 542 mPreferences, mContentResolver); 543 mLocationManager.recordLocation(recordLocation); 544 545 keepMediaProviderInstance(); 546 547 mUI.initializeFirstTime(); 548 MediaSaveService s = mActivity.getMediaSaveService(); 549 // We set the listener only when both service and shutterbutton 550 // are initialized. 551 if (s != null) { 552 s.setListener(this); 553 } 554 555 mNamedImages = new NamedImages(); 556 557 mFirstTimeInitialized = true; 558 addIdleHandler(); 559 560 mActivity.updateStorageSpaceAndHint(); 561 } 562 563 // If the activity is paused and resumed, this method will be called in 564 // onResume. 565 private void initializeSecondTime() { 566 // Start location update if needed. 567 boolean recordLocation = RecordLocationPreference.get( 568 mPreferences, mContentResolver); 569 mLocationManager.recordLocation(recordLocation); 570 MediaSaveService s = mActivity.getMediaSaveService(); 571 if (s != null) { 572 s.setListener(this); 573 } 574 mNamedImages = new NamedImages(); 575 mUI.initializeSecondTime(mParameters); 576 keepMediaProviderInstance(); 577 } 578 579 private void showTapToFocusToastIfNeeded() { 580 // Show the tap to focus toast if this is the first start. 581 if (mFocusAreaSupported && 582 mPreferences.getBoolean(CameraSettings.KEY_CAMERA_FIRST_USE_HINT_SHOWN, true)) { 583 // Delay the toast for one second to wait for orientation. 584 mHandler.sendEmptyMessageDelayed(SHOW_TAP_TO_FOCUS_TOAST, 1000); 585 } 586 } 587 588 private void addIdleHandler() { 589 MessageQueue queue = Looper.myQueue(); 590 queue.addIdleHandler(new MessageQueue.IdleHandler() { 591 @Override 592 public boolean queueIdle() { 593 Storage.ensureOSXCompatible(); 594 return false; 595 } 596 }); 597 } 598 599 @Override 600 public void startFaceDetection() { 601 if (mFaceDetectionStarted) return; 602 if (mParameters.getMaxNumDetectedFaces() > 0) { 603 mFaceDetectionStarted = true; 604 CameraInfo info = CameraHolder.instance().getCameraInfo()[mCameraId]; 605 mUI.onStartFaceDetection(mDisplayOrientation, 606 (info.facing == CameraInfo.CAMERA_FACING_FRONT)); 607 mCameraDevice.setFaceDetectionCallback(mHandler, mUI); 608 mCameraDevice.startFaceDetection(); 609 } 610 } 611 612 @Override 613 public void stopFaceDetection() { 614 if (!mFaceDetectionStarted) return; 615 if (mParameters.getMaxNumDetectedFaces() > 0) { 616 mFaceDetectionStarted = false; 617 mCameraDevice.setFaceDetectionCallback(null, null); 618 mCameraDevice.stopFaceDetection(); 619 mUI.clearFaces(); 620 } 621 } 622 623 private final class ShutterCallback 624 implements CameraShutterCallback { 625 626 private boolean mNeedsAnimation; 627 628 public ShutterCallback(boolean needsAnimation) { 629 mNeedsAnimation = needsAnimation; 630 } 631 632 @Override 633 public void onShutter(CameraProxy camera) { 634 mShutterCallbackTime = System.currentTimeMillis(); 635 mShutterLag = mShutterCallbackTime - mCaptureStartTime; 636 Log.v(TAG, "mShutterLag = " + mShutterLag + "ms"); 637 if (mNeedsAnimation) { 638 mActivity.runOnUiThread(new Runnable() { 639 @Override 640 public void run() { 641 animateAfterShutter(); 642 } 643 }); 644 } 645 } 646 } 647 648 private final class PostViewPictureCallback 649 implements CameraPictureCallback { 650 @Override 651 public void onPictureTaken(byte [] data, CameraProxy camera) { 652 mPostViewPictureCallbackTime = System.currentTimeMillis(); 653 Log.v(TAG, "mShutterToPostViewCallbackTime = " 654 + (mPostViewPictureCallbackTime - mShutterCallbackTime) 655 + "ms"); 656 } 657 } 658 659 private final class RawPictureCallback 660 implements CameraPictureCallback { 661 @Override 662 public void onPictureTaken(byte [] rawData, CameraProxy camera) { 663 mRawPictureCallbackTime = System.currentTimeMillis(); 664 Log.v(TAG, "mShutterToRawCallbackTime = " 665 + (mRawPictureCallbackTime - mShutterCallbackTime) + "ms"); 666 } 667 } 668 669 private final class JpegPictureCallback 670 implements CameraPictureCallback { 671 Location mLocation; 672 673 public JpegPictureCallback(Location loc) { 674 mLocation = loc; 675 } 676 677 @Override 678 public void onPictureTaken(final byte [] jpegData, CameraProxy camera) { 679 mUI.enableShutter(true); 680 if (mPaused) { 681 return; 682 } 683 if (mIsImageCaptureIntent) { 684 stopPreview(); 685 } 686 if (mSceneMode == CameraUtil.SCENE_MODE_HDR) { 687 mUI.showSwitcher(); 688 mUI.setSwipingEnabled(true); 689 } 690 691 mJpegPictureCallbackTime = System.currentTimeMillis(); 692 // If postview callback has arrived, the captured image is displayed 693 // in postview callback. If not, the captured image is displayed in 694 // raw picture callback. 695 if (mPostViewPictureCallbackTime != 0) { 696 mShutterToPictureDisplayedTime = 697 mPostViewPictureCallbackTime - mShutterCallbackTime; 698 mPictureDisplayedToJpegCallbackTime = 699 mJpegPictureCallbackTime - mPostViewPictureCallbackTime; 700 } else { 701 mShutterToPictureDisplayedTime = 702 mRawPictureCallbackTime - mShutterCallbackTime; 703 mPictureDisplayedToJpegCallbackTime = 704 mJpegPictureCallbackTime - mRawPictureCallbackTime; 705 } 706 Log.v(TAG, "mPictureDisplayedToJpegCallbackTime = " 707 + mPictureDisplayedToJpegCallbackTime + "ms"); 708 709 mFocusManager.updateFocusUI(); // Ensure focus indicator is hidden. 710 if (!mIsImageCaptureIntent) { 711 setupPreview(); 712 } 713 714 ExifInterface exif = Exif.getExif(jpegData); 715 int orientation = Exif.getOrientation(exif); 716 717 if (!mIsImageCaptureIntent) { 718 // Calculate the width and the height of the jpeg. 719 Size s = mParameters.getPictureSize(); 720 int width, height; 721 if ((mJpegRotation + orientation) % 180 == 0) { 722 width = s.width; 723 height = s.height; 724 } else { 725 width = s.height; 726 height = s.width; 727 } 728 NamedEntity name = mNamedImages.getNextNameEntity(); 729 String title = (name == null) ? null : name.title; 730 long date = (name == null) ? -1 : name.date; 731 732 // Handle debug mode outputs 733 if (mDebugUri != null) { 734 // If using a debug uri, save jpeg there. 735 saveToDebugUri(jpegData); 736 737 // Adjust the title of the debug image shown in mediastore. 738 if (title != null) { 739 title = DEBUG_IMAGE_PREFIX + title; 740 } 741 } 742 743 if (title == null) { 744 Log.e(TAG, "Unbalanced name/data pair"); 745 } else { 746 if (date == -1) date = mCaptureStartTime; 747 if (mHeading >= 0) { 748 // heading direction has been updated by the sensor. 749 ExifTag directionRefTag = exif.buildTag( 750 ExifInterface.TAG_GPS_IMG_DIRECTION_REF, 751 ExifInterface.GpsTrackRef.MAGNETIC_DIRECTION); 752 ExifTag directionTag = exif.buildTag( 753 ExifInterface.TAG_GPS_IMG_DIRECTION, 754 new Rational(mHeading, 1)); 755 exif.setTag(directionRefTag); 756 exif.setTag(directionTag); 757 } 758 mActivity.getMediaSaveService().addImage( 759 jpegData, title, date, mLocation, width, height, 760 orientation, exif, mOnMediaSavedListener, mContentResolver); 761 } 762 // Animate capture with real jpeg data instead of a preview frame. 763 mUI.animateCapture(jpegData, orientation, mMirror); 764 } else { 765 mJpegImageData = jpegData; 766 if (!mQuickCapture) { 767 mUI.showCapturedImageForReview(jpegData, orientation, mMirror); 768 } else { 769 onCaptureDone(); 770 } 771 } 772 773 // Check this in advance of each shot so we don't add to shutter 774 // latency. It's true that someone else could write to the SD card in 775 // the mean time and fill it, but that could have happened between the 776 // shutter press and saving the JPEG too. 777 mActivity.updateStorageSpaceAndHint(); 778 779 long now = System.currentTimeMillis(); 780 mJpegCallbackFinishTime = now - mJpegPictureCallbackTime; 781 Log.v(TAG, "mJpegCallbackFinishTime = " 782 + mJpegCallbackFinishTime + "ms"); 783 mJpegPictureCallbackTime = 0; 784 } 785 } 786 787 private final class AutoFocusCallback implements CameraAFCallback { 788 @Override 789 public void onAutoFocus( 790 boolean focused, CameraProxy camera) { 791 if (mPaused) return; 792 793 mAutoFocusTime = System.currentTimeMillis() - mFocusStartTime; 794 Log.v(TAG, "mAutoFocusTime = " + mAutoFocusTime + "ms"); 795 setCameraState(IDLE); 796 mFocusManager.onAutoFocus(focused, mUI.isShutterPressed()); 797 } 798 } 799 800 @TargetApi(Build.VERSION_CODES.JELLY_BEAN) 801 private final class AutoFocusMoveCallback 802 implements CameraAFMoveCallback { 803 @Override 804 public void onAutoFocusMoving( 805 boolean moving, CameraProxy camera) { 806 mFocusManager.onAutoFocusMoving(moving); 807 } 808 } 809 810 /** 811 * This class is just a thread-safe queue for name,date holder objects. 812 */ 813 public static class NamedImages { 814 private Vector<NamedEntity> mQueue; 815 816 public NamedImages() { 817 mQueue = new Vector<NamedEntity>(); 818 } 819 820 public void nameNewImage(long date) { 821 NamedEntity r = new NamedEntity(); 822 r.title = CameraUtil.createJpegName(date); 823 r.date = date; 824 mQueue.add(r); 825 } 826 827 public NamedEntity getNextNameEntity() { 828 synchronized(mQueue) { 829 if (!mQueue.isEmpty()) { 830 return mQueue.remove(0); 831 } 832 } 833 return null; 834 } 835 836 public static class NamedEntity { 837 public String title; 838 public long date; 839 } 840 } 841 842 private void setCameraState(int state) { 843 mCameraState = state; 844 switch (state) { 845 case PhotoController.PREVIEW_STOPPED: 846 case PhotoController.SNAPSHOT_IN_PROGRESS: 847 case PhotoController.SWITCHING_CAMERA: 848 mUI.enableGestures(false); 849 break; 850 case PhotoController.IDLE: 851 mUI.enableGestures(true); 852 break; 853 } 854 } 855 856 private void animateAfterShutter() { 857 // Only animate when in full screen capture mode 858 // i.e. If monkey/a user swipes to the gallery during picture taking, 859 // don't show animation 860 if (!mIsImageCaptureIntent) { 861 mUI.animateFlash(); 862 } 863 } 864 865 @Override 866 public boolean capture() { 867 // If we are already in the middle of taking a snapshot or the image save request 868 // is full then ignore. 869 if (mCameraDevice == null || mCameraState == SNAPSHOT_IN_PROGRESS 870 || mCameraState == SWITCHING_CAMERA 871 || mActivity.getMediaSaveService().isQueueFull()) { 872 return false; 873 } 874 mCaptureStartTime = System.currentTimeMillis(); 875 mPostViewPictureCallbackTime = 0; 876 mJpegImageData = null; 877 878 final boolean animateBefore = (mSceneMode == CameraUtil.SCENE_MODE_HDR); 879 880 if (animateBefore) { 881 animateAfterShutter(); 882 } 883 884 // Set rotation and gps data. 885 int orientation; 886 // We need to be consistent with the framework orientation (i.e. the 887 // orientation of the UI.) when the auto-rotate screen setting is on. 888 if (mActivity.isAutoRotateScreen()) { 889 orientation = (360 - mDisplayRotation) % 360; 890 } else { 891 orientation = mOrientation; 892 } 893 mJpegRotation = CameraUtil.getJpegRotation(mCameraId, orientation); 894 mParameters.setRotation(mJpegRotation); 895 Location loc = mLocationManager.getCurrentLocation(); 896 CameraUtil.setGpsParameters(mParameters, loc); 897 mCameraDevice.setParameters(mParameters); 898 899 // We don't want user to press the button again while taking a 900 // multi-second HDR photo. 901 mUI.enableShutter(false); 902 mCameraDevice.takePicture(mHandler, 903 new ShutterCallback(!animateBefore), 904 mRawPictureCallback, mPostViewPictureCallback, 905 new JpegPictureCallback(loc)); 906 907 mNamedImages.nameNewImage(mCaptureStartTime); 908 909 mFaceDetectionStarted = false; 910 setCameraState(SNAPSHOT_IN_PROGRESS); 911 UsageStatistics.onEvent(UsageStatistics.COMPONENT_CAMERA, 912 UsageStatistics.ACTION_CAPTURE_DONE, "Photo"); 913 return true; 914 } 915 916 @Override 917 public void setFocusParameters() { 918 setCameraParameters(UPDATE_PARAM_PREFERENCE); 919 } 920 921 private int getPreferredCameraId(ComboPreferences preferences) { 922 int intentCameraId = CameraUtil.getCameraFacingIntentExtras(mActivity); 923 if (intentCameraId != -1) { 924 // Testing purpose. Launch a specific camera through the intent 925 // extras. 926 return intentCameraId; 927 } else { 928 return CameraSettings.readPreferredCameraId(preferences); 929 } 930 } 931 932 private void updateSceneMode() { 933 // If scene mode is set, we cannot set flash mode, white balance, and 934 // focus mode, instead, we read it from driver 935 if (!Parameters.SCENE_MODE_AUTO.equals(mSceneMode)) { 936 overrideCameraSettings(mParameters.getFlashMode(), 937 mParameters.getWhiteBalance(), mParameters.getFocusMode()); 938 } else { 939 overrideCameraSettings(null, null, null); 940 } 941 } 942 943 private void overrideCameraSettings(final String flashMode, 944 final String whiteBalance, final String focusMode) { 945 mUI.overrideSettings( 946 CameraSettings.KEY_FLASH_MODE, flashMode, 947 CameraSettings.KEY_WHITE_BALANCE, whiteBalance, 948 CameraSettings.KEY_FOCUS_MODE, focusMode); 949 } 950 951 private void loadCameraPreferences() { 952 CameraSettings settings = new CameraSettings(mActivity, mInitialParams, 953 mCameraId, CameraHolder.instance().getCameraInfo()); 954 mPreferenceGroup = settings.getPreferenceGroup(R.xml.camera_preferences); 955 } 956 957 @Override 958 public void onOrientationChanged(int orientation) { 959 // We keep the last known orientation. So if the user first orient 960 // the camera then point the camera to floor or sky, we still have 961 // the correct orientation. 962 if (orientation == OrientationEventListener.ORIENTATION_UNKNOWN) return; 963 mOrientation = CameraUtil.roundOrientation(orientation, mOrientation); 964 965 // Show the toast after getting the first orientation changed. 966 if (mHandler.hasMessages(SHOW_TAP_TO_FOCUS_TOAST)) { 967 mHandler.removeMessages(SHOW_TAP_TO_FOCUS_TOAST); 968 showTapToFocusToast(); 969 } 970 } 971 972 @Override 973 public void onStop() { 974 if (mMediaProviderClient != null) { 975 mMediaProviderClient.release(); 976 mMediaProviderClient = null; 977 } 978 } 979 980 @Override 981 public void onCaptureCancelled() { 982 mActivity.setResultEx(Activity.RESULT_CANCELED, new Intent()); 983 mActivity.finish(); 984 } 985 986 @Override 987 public void onCaptureRetake() { 988 if (mPaused) 989 return; 990 mUI.hidePostCaptureAlert(); 991 setupPreview(); 992 } 993 994 @Override 995 public void onCaptureDone() { 996 if (mPaused) { 997 return; 998 } 999 1000 byte[] data = mJpegImageData; 1001 1002 if (mCropValue == null) { 1003 // First handle the no crop case -- just return the value. If the 1004 // caller specifies a "save uri" then write the data to its 1005 // stream. Otherwise, pass back a scaled down version of the bitmap 1006 // directly in the extras. 1007 if (mSaveUri != null) { 1008 OutputStream outputStream = null; 1009 try { 1010 outputStream = mContentResolver.openOutputStream(mSaveUri); 1011 outputStream.write(data); 1012 outputStream.close(); 1013 1014 mActivity.setResultEx(Activity.RESULT_OK); 1015 mActivity.finish(); 1016 } catch (IOException ex) { 1017 // ignore exception 1018 } finally { 1019 CameraUtil.closeSilently(outputStream); 1020 } 1021 } else { 1022 ExifInterface exif = Exif.getExif(data); 1023 int orientation = Exif.getOrientation(exif); 1024 Bitmap bitmap = CameraUtil.makeBitmap(data, 50 * 1024); 1025 bitmap = CameraUtil.rotate(bitmap, orientation); 1026 mActivity.setResultEx(Activity.RESULT_OK, 1027 new Intent("inline-data").putExtra("data", bitmap)); 1028 mActivity.finish(); 1029 } 1030 } else { 1031 // Save the image to a temp file and invoke the cropper 1032 Uri tempUri = null; 1033 FileOutputStream tempStream = null; 1034 try { 1035 File path = mActivity.getFileStreamPath(sTempCropFilename); 1036 path.delete(); 1037 tempStream = mActivity.openFileOutput(sTempCropFilename, 0); 1038 tempStream.write(data); 1039 tempStream.close(); 1040 tempUri = Uri.fromFile(path); 1041 } catch (FileNotFoundException ex) { 1042 mActivity.setResultEx(Activity.RESULT_CANCELED); 1043 mActivity.finish(); 1044 return; 1045 } catch (IOException ex) { 1046 mActivity.setResultEx(Activity.RESULT_CANCELED); 1047 mActivity.finish(); 1048 return; 1049 } finally { 1050 CameraUtil.closeSilently(tempStream); 1051 } 1052 1053 Bundle newExtras = new Bundle(); 1054 if (mCropValue.equals("circle")) { 1055 newExtras.putString("circleCrop", "true"); 1056 } 1057 if (mSaveUri != null) { 1058 newExtras.putParcelable(MediaStore.EXTRA_OUTPUT, mSaveUri); 1059 } else { 1060 newExtras.putBoolean(CameraUtil.KEY_RETURN_DATA, true); 1061 } 1062 if (mActivity.isSecureCamera()) { 1063 newExtras.putBoolean(CameraUtil.KEY_SHOW_WHEN_LOCKED, true); 1064 } 1065 1066 // TODO: Share this constant. 1067 final String CROP_ACTION = "com.android.camera.action.CROP"; 1068 Intent cropIntent = new Intent(CROP_ACTION); 1069 1070 cropIntent.setData(tempUri); 1071 cropIntent.putExtras(newExtras); 1072 1073 mActivity.startActivityForResult(cropIntent, REQUEST_CROP); 1074 } 1075 } 1076 1077 @Override 1078 public void onShutterButtonFocus(boolean pressed) { 1079 if (mPaused || mUI.collapseCameraControls() 1080 || (mCameraState == SNAPSHOT_IN_PROGRESS) 1081 || (mCameraState == PREVIEW_STOPPED)) return; 1082 1083 // Do not do focus if there is not enough storage. 1084 if (pressed && !canTakePicture()) return; 1085 1086 if (pressed) { 1087 mFocusManager.onShutterDown(); 1088 } else { 1089 // for countdown mode, we need to postpone the shutter release 1090 // i.e. lock the focus during countdown. 1091 if (!mUI.isCountingDown()) { 1092 mFocusManager.onShutterUp(); 1093 } 1094 } 1095 } 1096 1097 @Override 1098 public void onShutterButtonClick() { 1099 if (mPaused || mUI.collapseCameraControls() 1100 || (mCameraState == SWITCHING_CAMERA) 1101 || (mCameraState == PREVIEW_STOPPED)) return; 1102 1103 // Do not take the picture if there is not enough storage. 1104 if (mActivity.getStorageSpaceBytes() <= Storage.LOW_STORAGE_THRESHOLD_BYTES) { 1105 Log.i(TAG, "Not enough space or storage not ready. remaining=" 1106 + mActivity.getStorageSpaceBytes()); 1107 return; 1108 } 1109 Log.v(TAG, "onShutterButtonClick: mCameraState=" + mCameraState); 1110 1111 if (mSceneMode == CameraUtil.SCENE_MODE_HDR) { 1112 mUI.hideSwitcher(); 1113 mUI.setSwipingEnabled(false); 1114 } 1115 // If the user wants to do a snapshot while the previous one is still 1116 // in progress, remember the fact and do it after we finish the previous 1117 // one and re-start the preview. Snapshot in progress also includes the 1118 // state that autofocus is focusing and a picture will be taken when 1119 // focus callback arrives. 1120 if ((mFocusManager.isFocusingSnapOnFinish() || mCameraState == SNAPSHOT_IN_PROGRESS) 1121 && !mIsImageCaptureIntent) { 1122 mSnapshotOnIdle = true; 1123 return; 1124 } 1125 1126 String timer = mPreferences.getString( 1127 CameraSettings.KEY_TIMER, 1128 mActivity.getString(R.string.pref_camera_timer_default)); 1129 boolean playSound = mPreferences.getString(CameraSettings.KEY_TIMER_SOUND_EFFECTS, 1130 mActivity.getString(R.string.pref_camera_timer_sound_default)) 1131 .equals(mActivity.getString(R.string.setting_on_value)); 1132 1133 int seconds = Integer.parseInt(timer); 1134 // When shutter button is pressed, check whether the previous countdown is 1135 // finished. If not, cancel the previous countdown and start a new one. 1136 if (mUI.isCountingDown()) { 1137 mUI.cancelCountDown(); 1138 } 1139 if (seconds > 0) { 1140 mUI.startCountDown(seconds, playSound); 1141 } else { 1142 mSnapshotOnIdle = false; 1143 mFocusManager.doSnap(); 1144 } 1145 } 1146 1147 @Override 1148 public void installIntentFilter() { 1149 // Do nothing. 1150 } 1151 1152 @Override 1153 public boolean updateStorageHintOnResume() { 1154 return mFirstTimeInitialized; 1155 } 1156 1157 @Override 1158 public void onResumeBeforeSuper() { 1159 mPaused = false; 1160 } 1161 1162 /** 1163 * Opens the camera device. 1164 * 1165 * @return Whether the camera was opened successfully. 1166 */ 1167 private boolean prepareCamera() { 1168 // We need to check whether the activity is paused before long 1169 // operations to ensure that onPause() can be done ASAP. 1170 mCameraDevice = CameraUtil.openCamera( 1171 mActivity, mCameraId, mHandler, 1172 mActivity.getCameraOpenErrorCallback()); 1173 if (mCameraDevice == null) { 1174 Log.e(TAG, "Failed to open camera:" + mCameraId); 1175 return false; 1176 } 1177 mParameters = mCameraDevice.getParameters(); 1178 1179 initializeCapabilities(); 1180 if (mFocusManager == null) initializeFocusManager(); 1181 setCameraParameters(UPDATE_PARAM_ALL); 1182 mHandler.sendEmptyMessage(CAMERA_OPEN_DONE); 1183 mCameraPreviewParamsReady = true; 1184 startPreview(); 1185 mOnResumeTime = SystemClock.uptimeMillis(); 1186 checkDisplayRotation(); 1187 return true; 1188 } 1189 1190 1191 @Override 1192 public void onResumeAfterSuper() { 1193 if (mOpenCameraFail || mCameraDisabled) return; 1194 1195 mJpegPictureCallbackTime = 0; 1196 mZoomValue = 0; 1197 resetExposureCompensation(); 1198 if (!prepareCamera()) { 1199 // Camera failure. 1200 return; 1201 } 1202 1203 // If first time initialization is not finished, put it in the 1204 // message queue. 1205 if (!mFirstTimeInitialized) { 1206 mHandler.sendEmptyMessage(FIRST_TIME_INIT); 1207 } else { 1208 initializeSecondTime(); 1209 } 1210 mUI.initDisplayChangeListener(); 1211 keepScreenOnAwhile(); 1212 1213 UsageStatistics.onContentViewChanged( 1214 UsageStatistics.COMPONENT_CAMERA, "PhotoModule"); 1215 1216 Sensor gsensor = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER); 1217 if (gsensor != null) { 1218 mSensorManager.registerListener(this, gsensor, SensorManager.SENSOR_DELAY_NORMAL); 1219 } 1220 1221 Sensor msensor = mSensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD); 1222 if (msensor != null) { 1223 mSensorManager.registerListener(this, msensor, SensorManager.SENSOR_DELAY_NORMAL); 1224 } 1225 } 1226 1227 @Override 1228 public void onPauseBeforeSuper() { 1229 mPaused = true; 1230 Sensor gsensor = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER); 1231 if (gsensor != null) { 1232 mSensorManager.unregisterListener(this, gsensor); 1233 } 1234 1235 Sensor msensor = mSensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD); 1236 if (msensor != null) { 1237 mSensorManager.unregisterListener(this, msensor); 1238 } 1239 } 1240 1241 @Override 1242 public void onPauseAfterSuper() { 1243 // When camera is started from secure lock screen for the first time 1244 // after screen on, the activity gets onCreate->onResume->onPause->onResume. 1245 // To reduce the latency, keep the camera for a short time so it does 1246 // not need to be opened again. 1247 if (mCameraDevice != null && mActivity.isSecureCamera() 1248 && CameraActivity.isFirstStartAfterScreenOn()) { 1249 CameraActivity.resetFirstStartAfterScreenOn(); 1250 CameraHolder.instance().keep(KEEP_CAMERA_TIMEOUT); 1251 } 1252 // Reset the focus first. Camera CTS does not guarantee that 1253 // cancelAutoFocus is allowed after preview stops. 1254 if (mCameraDevice != null && mCameraState != PREVIEW_STOPPED) { 1255 mCameraDevice.cancelAutoFocus(); 1256 } 1257 stopPreview(); 1258 1259 mNamedImages = null; 1260 1261 if (mLocationManager != null) mLocationManager.recordLocation(false); 1262 1263 // If we are in an image capture intent and has taken 1264 // a picture, we just clear it in onPause. 1265 mJpegImageData = null; 1266 1267 // Remove the messages and runnables in the queue. 1268 mHandler.removeCallbacksAndMessages(null); 1269 1270 closeCamera(); 1271 1272 resetScreenOn(); 1273 mUI.onPause(); 1274 1275 mPendingSwitchCameraId = -1; 1276 if (mFocusManager != null) mFocusManager.removeMessages(); 1277 MediaSaveService s = mActivity.getMediaSaveService(); 1278 if (s != null) { 1279 s.setListener(null); 1280 } 1281 mUI.removeDisplayChangeListener(); 1282 } 1283 1284 /** 1285 * The focus manager is the first UI related element to get initialized, 1286 * and it requires the RenderOverlay, so initialize it here 1287 */ 1288 private void initializeFocusManager() { 1289 // Create FocusManager object. startPreview needs it. 1290 // if mFocusManager not null, reuse it 1291 // otherwise create a new instance 1292 if (mFocusManager != null) { 1293 mFocusManager.removeMessages(); 1294 } else { 1295 CameraInfo info = CameraHolder.instance().getCameraInfo()[mCameraId]; 1296 mMirror = (info.facing == CameraInfo.CAMERA_FACING_FRONT); 1297 String[] defaultFocusModes = mActivity.getResources().getStringArray( 1298 R.array.pref_camera_focusmode_default_array); 1299 mFocusManager = new FocusOverlayManager(mPreferences, defaultFocusModes, 1300 mInitialParams, this, mMirror, 1301 mActivity.getMainLooper(), mUI); 1302 } 1303 } 1304 1305 @Override 1306 public void onConfigurationChanged(Configuration newConfig) { 1307 Log.v(TAG, "onConfigurationChanged"); 1308 setDisplayOrientation(); 1309 } 1310 1311 @Override 1312 public void updateCameraOrientation() { 1313 if (mDisplayRotation != CameraUtil.getDisplayRotation(mActivity)) { 1314 setDisplayOrientation(); 1315 } 1316 } 1317 1318 @Override 1319 public void onActivityResult( 1320 int requestCode, int resultCode, Intent data) { 1321 switch (requestCode) { 1322 case REQUEST_CROP: { 1323 Intent intent = new Intent(); 1324 if (data != null) { 1325 Bundle extras = data.getExtras(); 1326 if (extras != null) { 1327 intent.putExtras(extras); 1328 } 1329 } 1330 mActivity.setResultEx(resultCode, intent); 1331 mActivity.finish(); 1332 1333 File path = mActivity.getFileStreamPath(sTempCropFilename); 1334 path.delete(); 1335 1336 break; 1337 } 1338 } 1339 } 1340 1341 private boolean canTakePicture() { 1342 return isCameraIdle() && (mActivity.getStorageSpaceBytes() > Storage.LOW_STORAGE_THRESHOLD_BYTES); 1343 } 1344 1345 @Override 1346 public void autoFocus() { 1347 mFocusStartTime = System.currentTimeMillis(); 1348 mCameraDevice.autoFocus(mHandler, mAutoFocusCallback); 1349 setCameraState(FOCUSING); 1350 } 1351 1352 @Override 1353 public void cancelAutoFocus() { 1354 mCameraDevice.cancelAutoFocus(); 1355 setCameraState(IDLE); 1356 setCameraParameters(UPDATE_PARAM_PREFERENCE); 1357 } 1358 1359 // Preview area is touched. Handle touch focus. 1360 @Override 1361 public void onSingleTapUp(View view, int x, int y) { 1362 if (mPaused || mCameraDevice == null || !mFirstTimeInitialized 1363 || mCameraState == SNAPSHOT_IN_PROGRESS 1364 || mCameraState == SWITCHING_CAMERA 1365 || mCameraState == PREVIEW_STOPPED) { 1366 return; 1367 } 1368 1369 // Check if metering area or focus area is supported. 1370 if (!mFocusAreaSupported && !mMeteringAreaSupported) return; 1371 mFocusManager.onSingleTapUp(x, y); 1372 } 1373 1374 @Override 1375 public boolean onBackPressed() { 1376 return mUI.onBackPressed(); 1377 } 1378 1379 @Override 1380 public boolean onKeyDown(int keyCode, KeyEvent event) { 1381 switch (keyCode) { 1382 case KeyEvent.KEYCODE_VOLUME_UP: 1383 case KeyEvent.KEYCODE_VOLUME_DOWN: 1384 case KeyEvent.KEYCODE_FOCUS: 1385 if (/*TODO: mActivity.isInCameraApp() &&*/ mFirstTimeInitialized) { 1386 if (event.getRepeatCount() == 0) { 1387 onShutterButtonFocus(true); 1388 } 1389 return true; 1390 } 1391 return false; 1392 case KeyEvent.KEYCODE_CAMERA: 1393 if (mFirstTimeInitialized && event.getRepeatCount() == 0) { 1394 onShutterButtonClick(); 1395 } 1396 return true; 1397 case KeyEvent.KEYCODE_DPAD_CENTER: 1398 // If we get a dpad center event without any focused view, move 1399 // the focus to the shutter button and press it. 1400 if (mFirstTimeInitialized && event.getRepeatCount() == 0) { 1401 // Start auto-focus immediately to reduce shutter lag. After 1402 // the shutter button gets the focus, onShutterButtonFocus() 1403 // will be called again but it is fine. 1404 onShutterButtonFocus(true); 1405 mUI.pressShutterButton(); 1406 } 1407 return true; 1408 } 1409 return false; 1410 } 1411 1412 @Override 1413 public boolean onKeyUp(int keyCode, KeyEvent event) { 1414 switch (keyCode) { 1415 case KeyEvent.KEYCODE_VOLUME_UP: 1416 case KeyEvent.KEYCODE_VOLUME_DOWN: 1417 if (/*mActivity.isInCameraApp() && */ mFirstTimeInitialized) { 1418 onShutterButtonClick(); 1419 return true; 1420 } 1421 return false; 1422 case KeyEvent.KEYCODE_FOCUS: 1423 if (mFirstTimeInitialized) { 1424 onShutterButtonFocus(false); 1425 } 1426 return true; 1427 } 1428 return false; 1429 } 1430 1431 private void closeCamera() { 1432 if (mCameraDevice != null) { 1433 mCameraDevice.setZoomChangeListener(null); 1434 mCameraDevice.setFaceDetectionCallback(null, null); 1435 mCameraDevice.setErrorCallback(null); 1436 CameraHolder.instance().release(); 1437 mFaceDetectionStarted = false; 1438 mCameraDevice = null; 1439 setCameraState(PREVIEW_STOPPED); 1440 mFocusManager.onCameraReleased(); 1441 } 1442 } 1443 1444 private void setDisplayOrientation() { 1445 mDisplayRotation = CameraUtil.getDisplayRotation(mActivity); 1446 mDisplayOrientation = CameraUtil.getDisplayOrientation(mDisplayRotation, mCameraId); 1447 mCameraDisplayOrientation = mDisplayOrientation; 1448 mUI.setDisplayOrientation(mDisplayOrientation); 1449 if (mFocusManager != null) { 1450 mFocusManager.setDisplayOrientation(mDisplayOrientation); 1451 } 1452 // Change the camera display orientation 1453 if (mCameraDevice != null) { 1454 mCameraDevice.setDisplayOrientation(mCameraDisplayOrientation); 1455 } 1456 } 1457 1458 /** Only called by UI thread. */ 1459 private void setupPreview() { 1460 mFocusManager.resetTouchFocus(); 1461 startPreview(); 1462 } 1463 1464 // This can only be called by UI Thread. 1465 private void startPreview() { 1466 if (mPaused) { 1467 return; 1468 } 1469 SurfaceTexture st = mUI.getSurfaceTexture(); 1470 if (st == null) { 1471 Log.w(TAG, "startPreview: surfaceTexture is not ready."); 1472 return; 1473 } 1474 if (!mCameraPreviewParamsReady) { 1475 Log.w(TAG, "startPreview: parameters for preview is not ready."); 1476 return; 1477 } 1478 mCameraDevice.setErrorCallback(mErrorCallback); 1479 1480 // ICS camera frameworks has a bug. Face detection state is not cleared 1481 // after taking a picture. Stop the preview to work around it. The bug 1482 // was fixed in JB. 1483 if (mCameraState != PREVIEW_STOPPED) stopPreview(); 1484 1485 setDisplayOrientation(); 1486 1487 if (!mSnapshotOnIdle) { 1488 // If the focus mode is continuous autofocus, call cancelAutoFocus to 1489 // resume it because it may have been paused by autoFocus call. 1490 if (CameraUtil.FOCUS_MODE_CONTINUOUS_PICTURE.equals(mFocusManager.getFocusMode())) { 1491 mCameraDevice.cancelAutoFocus(); 1492 } 1493 mFocusManager.setAeAwbLock(false); // Unlock AE and AWB. 1494 } 1495 setCameraParameters(UPDATE_PARAM_ALL); 1496 // Let UI set its expected aspect ratio 1497 mCameraDevice.setPreviewTexture(st); 1498 1499 Log.v(TAG, "startPreview"); 1500 mCameraDevice.startPreview(); 1501 mFocusManager.onPreviewStarted(); 1502 onPreviewStarted(); 1503 1504 if (mSnapshotOnIdle) { 1505 mHandler.post(mDoSnapRunnable); 1506 } 1507 } 1508 1509 @Override 1510 public void stopPreview() { 1511 if (mCameraDevice != null && mCameraState != PREVIEW_STOPPED) { 1512 Log.v(TAG, "stopPreview"); 1513 mCameraDevice.stopPreview(); 1514 mFaceDetectionStarted = false; 1515 } 1516 setCameraState(PREVIEW_STOPPED); 1517 if (mFocusManager != null) mFocusManager.onPreviewStopped(); 1518 } 1519 1520 @SuppressWarnings("deprecation") 1521 private void updateCameraParametersInitialize() { 1522 // Reset preview frame rate to the maximum because it may be lowered by 1523 // video camera application. 1524 int[] fpsRange = CameraUtil.getPhotoPreviewFpsRange(mParameters); 1525 if (fpsRange != null && fpsRange.length > 0) { 1526 mParameters.setPreviewFpsRange( 1527 fpsRange[Parameters.PREVIEW_FPS_MIN_INDEX], 1528 fpsRange[Parameters.PREVIEW_FPS_MAX_INDEX]); 1529 } 1530 1531 mParameters.set(CameraUtil.RECORDING_HINT, CameraUtil.FALSE); 1532 1533 // Disable video stabilization. Convenience methods not available in API 1534 // level <= 14 1535 String vstabSupported = mParameters.get("video-stabilization-supported"); 1536 if ("true".equals(vstabSupported)) { 1537 mParameters.set("video-stabilization", "false"); 1538 } 1539 } 1540 1541 private void updateCameraParametersZoom() { 1542 // Set zoom. 1543 if (mParameters.isZoomSupported()) { 1544 mParameters.setZoom(mZoomValue); 1545 } 1546 } 1547 1548 @TargetApi(Build.VERSION_CODES.JELLY_BEAN) 1549 private void setAutoExposureLockIfSupported() { 1550 if (mAeLockSupported) { 1551 mParameters.setAutoExposureLock(mFocusManager.getAeAwbLock()); 1552 } 1553 } 1554 1555 @TargetApi(Build.VERSION_CODES.JELLY_BEAN) 1556 private void setAutoWhiteBalanceLockIfSupported() { 1557 if (mAwbLockSupported) { 1558 mParameters.setAutoWhiteBalanceLock(mFocusManager.getAeAwbLock()); 1559 } 1560 } 1561 1562 private void setFocusAreasIfSupported() { 1563 if (mFocusAreaSupported) { 1564 mParameters.setFocusAreas(mFocusManager.getFocusAreas()); 1565 } 1566 } 1567 1568 private void setMeteringAreasIfSupported() { 1569 if (mMeteringAreaSupported) { 1570 mParameters.setMeteringAreas(mFocusManager.getMeteringAreas()); 1571 } 1572 } 1573 1574 private boolean updateCameraParametersPreference() { 1575 setAutoExposureLockIfSupported(); 1576 setAutoWhiteBalanceLockIfSupported(); 1577 setFocusAreasIfSupported(); 1578 setMeteringAreasIfSupported(); 1579 1580 // Set picture size. 1581 String pictureSize = mPreferences.getString( 1582 CameraSettings.KEY_PICTURE_SIZE, null); 1583 if (pictureSize == null) { 1584 CameraSettings.initialCameraPictureSize(mActivity, mParameters); 1585 } else { 1586 List<Size> supported = mParameters.getSupportedPictureSizes(); 1587 CameraSettings.setCameraPictureSize( 1588 pictureSize, supported, mParameters); 1589 } 1590 Size size = mParameters.getPictureSize(); 1591 1592 // Set a preview size that is closest to the viewfinder height and has 1593 // the right aspect ratio. 1594 List<Size> sizes = mParameters.getSupportedPreviewSizes(); 1595 Size optimalSize = CameraUtil.getOptimalPreviewSize(mActivity, sizes, 1596 (double) size.width / size.height); 1597 Size original = mParameters.getPreviewSize(); 1598 if (!original.equals(optimalSize)) { 1599 mParameters.setPreviewSize(optimalSize.width, optimalSize.height); 1600 1601 // Zoom related settings will be changed for different preview 1602 // sizes, so set and read the parameters to get latest values 1603 if (mHandler.getLooper() == Looper.myLooper()) { 1604 // On UI thread only, not when camera starts up 1605 setupPreview(); 1606 } else { 1607 mCameraDevice.setParameters(mParameters); 1608 } 1609 mParameters = mCameraDevice.getParameters(); 1610 } 1611 Log.v(TAG, "Preview size is " + optimalSize.width + "x" + optimalSize.height); 1612 1613 // Since changing scene mode may change supported values, set scene mode 1614 // first. HDR is a scene mode. To promote it in UI, it is stored in a 1615 // separate preference. 1616 String onValue = mActivity.getString(R.string.setting_on_value); 1617 String hdr = mPreferences.getString(CameraSettings.KEY_CAMERA_HDR, 1618 mActivity.getString(R.string.pref_camera_hdr_default)); 1619 String hdrPlus = mPreferences.getString(CameraSettings.KEY_CAMERA_HDR_PLUS, 1620 mActivity.getString(R.string.pref_camera_hdr_plus_default)); 1621 boolean hdrOn = onValue.equals(hdr); 1622 boolean hdrPlusOn = onValue.equals(hdrPlus); 1623 1624 boolean doGcamModeSwitch = false; 1625 if (hdrPlusOn && GcamHelper.hasGcamCapture()) { 1626 // Kick off mode switch to gcam. 1627 doGcamModeSwitch = true; 1628 } else { 1629 if (hdrOn) { 1630 mSceneMode = CameraUtil.SCENE_MODE_HDR; 1631 } else { 1632 mSceneMode = mPreferences.getString( 1633 CameraSettings.KEY_SCENE_MODE, 1634 mActivity.getString(R.string.pref_camera_scenemode_default)); 1635 } 1636 } 1637 if (CameraUtil.isSupported(mSceneMode, mParameters.getSupportedSceneModes())) { 1638 if (!mParameters.getSceneMode().equals(mSceneMode)) { 1639 mParameters.setSceneMode(mSceneMode); 1640 1641 // Setting scene mode will change the settings of flash mode, 1642 // white balance, and focus mode. Here we read back the 1643 // parameters, so we can know those settings. 1644 mCameraDevice.setParameters(mParameters); 1645 mParameters = mCameraDevice.getParameters(); 1646 } 1647 } else { 1648 mSceneMode = mParameters.getSceneMode(); 1649 if (mSceneMode == null) { 1650 mSceneMode = Parameters.SCENE_MODE_AUTO; 1651 } 1652 } 1653 1654 // Set JPEG quality. 1655 int jpegQuality = CameraProfile.getJpegEncodingQualityParameter(mCameraId, 1656 CameraProfile.QUALITY_HIGH); 1657 mParameters.setJpegQuality(jpegQuality); 1658 1659 // For the following settings, we need to check if the settings are 1660 // still supported by latest driver, if not, ignore the settings. 1661 1662 // Set exposure compensation 1663 int value = CameraSettings.readExposure(mPreferences); 1664 int max = mParameters.getMaxExposureCompensation(); 1665 int min = mParameters.getMinExposureCompensation(); 1666 if (value >= min && value <= max) { 1667 mParameters.setExposureCompensation(value); 1668 } else { 1669 Log.w(TAG, "invalid exposure range: " + value); 1670 } 1671 1672 if (Parameters.SCENE_MODE_AUTO.equals(mSceneMode)) { 1673 // Set flash mode. 1674 String flashMode = mPreferences.getString( 1675 CameraSettings.KEY_FLASH_MODE, 1676 mActivity.getString(R.string.pref_camera_flashmode_default)); 1677 List<String> supportedFlash = mParameters.getSupportedFlashModes(); 1678 if (CameraUtil.isSupported(flashMode, supportedFlash)) { 1679 mParameters.setFlashMode(flashMode); 1680 } else { 1681 flashMode = mParameters.getFlashMode(); 1682 if (flashMode == null) { 1683 flashMode = mActivity.getString( 1684 R.string.pref_camera_flashmode_no_flash); 1685 } 1686 } 1687 1688 // Set white balance parameter. 1689 String whiteBalance = mPreferences.getString( 1690 CameraSettings.KEY_WHITE_BALANCE, 1691 mActivity.getString(R.string.pref_camera_whitebalance_default)); 1692 if (CameraUtil.isSupported(whiteBalance, 1693 mParameters.getSupportedWhiteBalance())) { 1694 mParameters.setWhiteBalance(whiteBalance); 1695 } else { 1696 whiteBalance = mParameters.getWhiteBalance(); 1697 if (whiteBalance == null) { 1698 whiteBalance = Parameters.WHITE_BALANCE_AUTO; 1699 } 1700 } 1701 1702 // Set focus mode. 1703 mFocusManager.overrideFocusMode(null); 1704 mParameters.setFocusMode(mFocusManager.getFocusMode()); 1705 } else { 1706 mFocusManager.overrideFocusMode(mParameters.getFocusMode()); 1707 } 1708 1709 if (mContinuousFocusSupported && ApiHelper.HAS_AUTO_FOCUS_MOVE_CALLBACK) { 1710 updateAutoFocusMoveCallback(); 1711 } 1712 1713 return doGcamModeSwitch; 1714 } 1715 1716 @TargetApi(Build.VERSION_CODES.JELLY_BEAN) 1717 private void updateAutoFocusMoveCallback() { 1718 if (mParameters.getFocusMode().equals(CameraUtil.FOCUS_MODE_CONTINUOUS_PICTURE)) { 1719 mCameraDevice.setAutoFocusMoveCallback(mHandler, 1720 (CameraAFMoveCallback) mAutoFocusMoveCallback); 1721 } else { 1722 mCameraDevice.setAutoFocusMoveCallback(null, null); 1723 } 1724 } 1725 1726 // We separate the parameters into several subsets, so we can update only 1727 // the subsets actually need updating. The PREFERENCE set needs extra 1728 // locking because the preference can be changed from GLThread as well. 1729 private void setCameraParameters(int updateSet) { 1730 boolean doModeSwitch = false; 1731 1732 if ((updateSet & UPDATE_PARAM_INITIALIZE) != 0) { 1733 updateCameraParametersInitialize(); 1734 } 1735 1736 if ((updateSet & UPDATE_PARAM_ZOOM) != 0) { 1737 updateCameraParametersZoom(); 1738 } 1739 1740 if ((updateSet & UPDATE_PARAM_PREFERENCE) != 0) { 1741 doModeSwitch = updateCameraParametersPreference(); 1742 } 1743 1744 mCameraDevice.setParameters(mParameters); 1745 1746 // Switch to gcam module if HDR+ was selected 1747 if (doModeSwitch && !mIsImageCaptureIntent) { 1748 mHandler.sendEmptyMessage(SWITCH_TO_GCAM_MODULE); 1749 } 1750 } 1751 1752 // If the Camera is idle, update the parameters immediately, otherwise 1753 // accumulate them in mUpdateSet and update later. 1754 private void setCameraParametersWhenIdle(int additionalUpdateSet) { 1755 mUpdateSet |= additionalUpdateSet; 1756 if (mCameraDevice == null) { 1757 // We will update all the parameters when we open the device, so 1758 // we don't need to do anything now. 1759 mUpdateSet = 0; 1760 return; 1761 } else if (isCameraIdle()) { 1762 setCameraParameters(mUpdateSet); 1763 updateSceneMode(); 1764 mUpdateSet = 0; 1765 } else { 1766 if (!mHandler.hasMessages(SET_CAMERA_PARAMETERS_WHEN_IDLE)) { 1767 mHandler.sendEmptyMessageDelayed( 1768 SET_CAMERA_PARAMETERS_WHEN_IDLE, 1000); 1769 } 1770 } 1771 } 1772 1773 @Override 1774 public boolean isCameraIdle() { 1775 return (mCameraState == IDLE) || 1776 (mCameraState == PREVIEW_STOPPED) || 1777 ((mFocusManager != null) && mFocusManager.isFocusCompleted() 1778 && (mCameraState != SWITCHING_CAMERA)); 1779 } 1780 1781 @Override 1782 public boolean isImageCaptureIntent() { 1783 String action = mActivity.getIntent().getAction(); 1784 return (MediaStore.ACTION_IMAGE_CAPTURE.equals(action) 1785 || CameraActivity.ACTION_IMAGE_CAPTURE_SECURE.equals(action)); 1786 } 1787 1788 private void setupCaptureParams() { 1789 Bundle myExtras = mActivity.getIntent().getExtras(); 1790 if (myExtras != null) { 1791 mSaveUri = (Uri) myExtras.getParcelable(MediaStore.EXTRA_OUTPUT); 1792 mCropValue = myExtras.getString("crop"); 1793 } 1794 } 1795 1796 @Override 1797 public void onSharedPreferenceChanged() { 1798 // ignore the events after "onPause()" 1799 if (mPaused) return; 1800 1801 boolean recordLocation = RecordLocationPreference.get( 1802 mPreferences, mContentResolver); 1803 mLocationManager.recordLocation(recordLocation); 1804 1805 setCameraParametersWhenIdle(UPDATE_PARAM_PREFERENCE); 1806 mUI.updateOnScreenIndicators(mParameters, mPreferenceGroup, mPreferences); 1807 } 1808 1809 @Override 1810 public void onCameraPickerClicked(int cameraId) { 1811 if (mPaused || mPendingSwitchCameraId != -1) return; 1812 1813 mPendingSwitchCameraId = cameraId; 1814 1815 Log.v(TAG, "Start to switch camera. cameraId=" + cameraId); 1816 // We need to keep a preview frame for the animation before 1817 // releasing the camera. This will trigger onPreviewTextureCopied. 1818 //TODO: Need to animate the camera switch 1819 switchCamera(); 1820 } 1821 1822 // Preview texture has been copied. Now camera can be released and the 1823 // animation can be started. 1824 @Override 1825 public void onPreviewTextureCopied() { 1826 mHandler.sendEmptyMessage(SWITCH_CAMERA); 1827 } 1828 1829 @Override 1830 public void onCaptureTextureCopied() { 1831 } 1832 1833 @Override 1834 public void onUserInteraction() { 1835 if (!mActivity.isFinishing()) keepScreenOnAwhile(); 1836 } 1837 1838 private void resetScreenOn() { 1839 mHandler.removeMessages(CLEAR_SCREEN_DELAY); 1840 mActivity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 1841 } 1842 1843 private void keepScreenOnAwhile() { 1844 mHandler.removeMessages(CLEAR_SCREEN_DELAY); 1845 mActivity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 1846 mHandler.sendEmptyMessageDelayed(CLEAR_SCREEN_DELAY, SCREEN_DELAY); 1847 } 1848 1849 @Override 1850 public void onOverriddenPreferencesClicked() { 1851 if (mPaused) return; 1852 mUI.showPreferencesToast(); 1853 } 1854 1855 private void showTapToFocusToast() { 1856 // TODO: Use a toast? 1857 new RotateTextToast(mActivity, R.string.tap_to_focus, 0).show(); 1858 // Clear the preference. 1859 Editor editor = mPreferences.edit(); 1860 editor.putBoolean(CameraSettings.KEY_CAMERA_FIRST_USE_HINT_SHOWN, false); 1861 editor.apply(); 1862 } 1863 1864 private void initializeCapabilities() { 1865 mInitialParams = mCameraDevice.getParameters(); 1866 mFocusAreaSupported = CameraUtil.isFocusAreaSupported(mInitialParams); 1867 mMeteringAreaSupported = CameraUtil.isMeteringAreaSupported(mInitialParams); 1868 mAeLockSupported = CameraUtil.isAutoExposureLockSupported(mInitialParams); 1869 mAwbLockSupported = CameraUtil.isAutoWhiteBalanceLockSupported(mInitialParams); 1870 mContinuousFocusSupported = mInitialParams.getSupportedFocusModes().contains( 1871 CameraUtil.FOCUS_MODE_CONTINUOUS_PICTURE); 1872 } 1873 1874 @Override 1875 public void onCountDownFinished() { 1876 mSnapshotOnIdle = false; 1877 mFocusManager.doSnap(); 1878 mFocusManager.onShutterUp(); 1879 } 1880 1881 @Override 1882 public void onShowSwitcherPopup() { 1883 mUI.onShowSwitcherPopup(); 1884 } 1885 1886 @Override 1887 public int onZoomChanged(int index) { 1888 // Not useful to change zoom value when the activity is paused. 1889 if (mPaused) return index; 1890 mZoomValue = index; 1891 if (mParameters == null || mCameraDevice == null) return index; 1892 // Set zoom parameters asynchronously 1893 mParameters.setZoom(mZoomValue); 1894 mCameraDevice.setParameters(mParameters); 1895 Parameters p = mCameraDevice.getParameters(); 1896 if (p != null) return p.getZoom(); 1897 return index; 1898 } 1899 1900 @Override 1901 public int getCameraState() { 1902 return mCameraState; 1903 } 1904 1905 @Override 1906 public void onQueueStatus(boolean full) { 1907 mUI.enableShutter(!full); 1908 } 1909 1910 @Override 1911 public void onMediaSaveServiceConnected(MediaSaveService s) { 1912 // We set the listener only when both service and shutterbutton 1913 // are initialized. 1914 if (mFirstTimeInitialized) { 1915 s.setListener(this); 1916 } 1917 } 1918 1919 @Override 1920 public void onAccuracyChanged(Sensor sensor, int accuracy) { 1921 } 1922 1923 @Override 1924 public void onSensorChanged(SensorEvent event) { 1925 int type = event.sensor.getType(); 1926 float[] data; 1927 if (type == Sensor.TYPE_ACCELEROMETER) { 1928 data = mGData; 1929 } else if (type == Sensor.TYPE_MAGNETIC_FIELD) { 1930 data = mMData; 1931 } else { 1932 // we should not be here. 1933 return; 1934 } 1935 for (int i = 0; i < 3 ; i++) { 1936 data[i] = event.values[i]; 1937 } 1938 float[] orientation = new float[3]; 1939 SensorManager.getRotationMatrix(mR, null, mGData, mMData); 1940 SensorManager.getOrientation(mR, orientation); 1941 mHeading = (int) (orientation[0] * 180f / Math.PI) % 360; 1942 if (mHeading < 0) { 1943 mHeading += 360; 1944 } 1945 } 1946 1947 @Override 1948 public void onPreviewFocusChanged(boolean previewFocused) { 1949 mUI.onPreviewFocusChanged(previewFocused); 1950 } 1951 1952 @Override 1953 public boolean arePreviewControlsVisible() { 1954 return mUI.arePreviewControlsVisible(); 1955 } 1956 1957 // For debugging only. 1958 public void setDebugUri(Uri uri) { 1959 mDebugUri = uri; 1960 } 1961 1962 // For debugging only. 1963 private void saveToDebugUri(byte[] data) { 1964 if (mDebugUri != null) { 1965 OutputStream outputStream = null; 1966 try { 1967 outputStream = mContentResolver.openOutputStream(mDebugUri); 1968 outputStream.write(data); 1969 outputStream.close(); 1970 } catch (IOException e) { 1971 Log.e(TAG, "Exception while writing debug jpeg file", e); 1972 } finally { 1973 CameraUtil.closeSilently(outputStream); 1974 } 1975 } 1976 } 1977 1978 /* Below is no longer needed, except to get rid of compile error 1979 * TODO: Remove these 1980 */ 1981 1982 // TODO: Delete this function after old camera code is removed 1983 @Override 1984 public void onRestorePreferencesClicked() {} 1985 1986 } 1987